| A | B |
|---|
| Phospholipid | the major component of cell membranes made of a phosphate head and a lipid tail |
| Lipid Bilayer | the arrangement of the cell membrane into two layers so that hydrophilic lipid tails can be away from water |
| Hydrophobic | "water fearing" example: lipid tails |
| Hydrophilic | "water loving" example: phosphate heads |
| Polar | molecule in which there is a positively charged section and a negatively charged section |
| Nonpolar | molecule that has a neutral charge throughout |
| Enzymes | proteins in the cell membrane that can speed up chemical reactions |
| Functions of Membrane Proteins | allow things in and out of cell/act as identification markers/act as enzymes/help in communication |
| Phosphate Head | hydrophilic portion of the phospholipid |
| Lipid Tail | the hydrophobic portion of the lipid tail |
